Samsung

PM951 NVMe PCIe M.2 256GB

PM951 NVMe PCIe M.2 256GB
BENCHMARKS (13,766)
MKT (0%)
BUILDS
(2)

Effective Speed +22% Effective Speed 22%Average Score -3%Read 101%, Write -56%, 4K Read 14%, 4K Write 24%, Mixed -26%, 4K Mixed -46%, SusWrite -31%Peak Score -3%Read 106%, Write -57%, 4K Read -2%, 4K Write 32%, Mixed -22%, 4K Mixed -43%, SusWrite -30%Value & Sentiment -251%User Rating -14%, Market Share -489%Nice To Haves +53% DQ Read 169%, DQ Write -14%, DQ Mixed 28%, ADQ Read 149%, ADQ Write -11%, ADQ Mixed 34%, Age -9%, AS-SSD Total 77%

Average Bench: 120% (190^th of 1072)

Based on 13,766 user benchmarks. Models: NVMe PM951 NVMe SAMSU, PM951 NVMe SAMSUNG 256GB

Poor: 77%Average: 120% Great: 147%

Popular builds with this SSD

Outstanding average bench

The Samsung PM951 NVMe PCIe M.2 256GB averaged 20.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM951 NVMe PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 349MB/s

Avg. 4K-64Thread Read Speed 813MB/s

See where your SSD ranks →

Poor consistency

The range of scores (95th - 5th percentile) for the Samsung PM951 NVMe PCIe M.2 256GB is 69.3%. This is a particularly wide range which indicates that the Samsung PM951 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 227MB/s

Avg. Sequential Write Speed 259MB/s

Average Bench

(Based on 13,766 samples)

Rank 190120%

Min	Avg	Max
551	Read 919	1,042
89.2	Write 259	308
154	Mixed 284	346
68.5	SusWrite 227	298
92.2% 422 MB/s

Min	Avg	Max
16.9	4K Read 39.1	42.1
38.6	4K Write 109	161
15.9	4K Mixed 30.9	40.7
157% 59.7 MB/s

Min	Avg	Max
265	DQ Read 813	988
94.8	DQ Write 260	314
135	DQ Mixed 349	423
306% 474 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

GBR-User, 5 days ago.

142GB free (System drive)

Firmware: BXV76D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 283 272 271 262 268 303 MB/s

147% Outstanding

Write 222

Mixed 257

SusWrite 277

95% 437 MB/s

4K Read 42.7

4K Write 173

4K Mixed 41.8

210% 85.9 MB/s

DQ Read 969

DQ Write 309

DQ Mixed 412

364% 564 MB/s

MDA-User, 10 days ago.

43GB free

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 295 297 295 295 295 294 MB/s

143% Outstanding

Write 300

Mixed 326

SusWrite 295

103% 468 MB/s

4K Read 39.1

4K Write 161

4K Mixed 39.7

195% 79.8 MB/s

DQ Read 985

DQ Write 311

DQ Mixed 410

365% 569 MB/s

ROU-User, 2 days ago.

184GB free

Firmware: 7D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 295 293 293 293 292 293 MB/s

128% Outstanding

Write 300

Mixed 331

SusWrite 293

104% 472 MB/s

4K Read 37.5

4K Write 96.3

4K Mixed 37.2

156% 57 MB/s

DQ Read 814

DQ Write 307

DQ Mixed 412

344% 511 MB/s

GBR-User, 3 days ago.

99GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 284 286 285 282 283 261 MB/s

106% Outstanding

Write 300

Mixed 304

SusWrite 280

95% 433 MB/s

4K Read 28

4K Write 76.3

4K Mixed 28.9

120% 44.4 MB/s

DQ Read 550

DQ Write 304

DQ Mixed 409

309% 421 MB/s

TUR-User, 8 days ago.

195GB free (System drive)

Firmware: BXV7 Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 298 298 298 298 297 297 MB/s

100% Outstanding

Write 303

Mixed 291

SusWrite 298

94% 428 MB/s

4K Read 31.3

4K Write 73.4

4K Mixed 31.6

127% 45.4 MB/s

DQ Read 398

DQ Write 91.4

DQ Mixed 34.3

80% 174 MB/s

GBR-User, 5 days ago.

156GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 292 290 292 292 294 293 MB/s

99.6% Outstanding

Write 293

Mixed 309

SusWrite 292

94% 425 MB/s

4K Read 25.5

4K Write 56.7

4K Mixed 27.3

104% 36.5 MB/s

DQ Read 516

DQ Write 286

DQ Mixed 374

286% 392 MB/s

IDN-User, 1 day ago.

56GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 94 89 85 81 75 72 MB/s

95.3% Outstanding

Write 105

Mixed 168

SusWrite 82.7

69% 324 MB/s

4K Read 31.1

4K Write 75.2

4K Mixed 24.8

119% 43.7 MB/s

DQ Read 667

DQ Write 113

DQ Mixed 231

210% 337 MB/s

GBR-User, 5 days ago.

153GB free (System drive)

Firmware: BXV77D0Q Max speed: PCIe 16,000 MB/s

SusWrite @10s intervals: 293 293 295 294 294 293 MB/s

87.5% Excellent

Write 305

Mixed 301

SusWrite 294

86% 387 MB/s

4K Read 14.7

4K Write 58.1

4K Mixed 22

81% 31.6 MB/s

DQ Read 547

DQ Write 298

DQ Mixed 384

296% 410 MB/s

13,766 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,731,786 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU

GPU

SSD

HDD

RAM

MBD

Typical PM951 NVMe PCIe M.2 256GB Builds (Compare 1,420 builds) See popular component choices, score breakdowns and rankings

Gaming 10%

Tree trunk

Desktop 58%

Gunboat

Workstation 10%

Tree trunk

System: Alienware 17 R3

CPU
Core i7-6700HQIntelBench 59%, 320,434 samples	978x
Core i7-6820HKIntelBench 69%, 20,362 samples	438x
Core i7-6820HQIntelBench 60%, 33,920 samples	3x

GPU
HD 530 (Mobile Skylake)IntelBench 5%, 213,495 samples	752x
GTX 970MNvidiaBench 31%, 21,995 samples	307x
GTX 980MNvidiaBench 41%, 14,160 samples	293x

SSD
PM951 NVMe PCIe M.2 256GBSamsungBench 120%, 13,766 samples	242x

RAM
HMA41GS6AFR8N-TF 2x8GBHynixBench 70%, 55,289 samples	317x
16ATF1G64HZ-2G1A2 2x8GBMicronBench 69%, 6,021 samples	138x
HMA451S6AFR8N-TF 2x4GBHynixBench 66%, 17,761 samples	125x

EDIT WITH CUSTOM PC BUILDER

Popular PM951 NVMe PCIe M.2 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming

Desktop

ProGaming

CPU

GPU

SSD

HDD

RAM

USB

How it works

- Download and run UserBenchmark
- CPU tests include: integer, floating and string
- GPU tests include: six 3D game simulations
- Drive tests include: read, write, sustained write and mixed IO
- RAM tests include: single/multi core bandwidth and latency
- SkillBench (space shooter) tests user input accuracy
- Reports are generated and presented on userbenchmark.com
- Identify the strongest components in your PC
- See speed test results from other users
- Compare your components to the current market leaders
- Explore your best upgrade options with a virtual PC build
- Compare your in-game FPS to other users with your hardware

Solid State Drive Rankings (Price vs Performance) April 2024 SSD Rankings

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. ^[SSDrivePro]

Group Test Results

Best user rated - User sentiment trumps benchmarks for this comparison.
Best value for money - Value for money is based on real world performance.
Fastest real world speed - Real World Speed measures performance for typical consumers.

Comments

Added n/a ago.

USA-User

level
9,840

Liked (edit your comment) Add link

3 years ago.

blazeaglory

level
30

Excellent

6 years ago.

Fast as heck...at half speed I might add!

Your
opinion?

▲Like ▼Dislike

Ready to retire
Age: 8 years

Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
vs Samsung 850 Evo 250GB
vs HyperX Savage 240GB
vs Crucial MX300 275GB
vs Samsung 850 Evo 1TB

1072 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

Frequently Asked Questions

Storage Devices FAQ

What is sustained sequential write speed?

What’s the difference between SLC, MLC and TLC?

What is 3D XPoint and how fast is it?

What’s the difference between SATA, PCIe and NVMe?

What’s the difference between NAND and V-NAND?

What is sequential write speed?

What is sequential read speed?

What is incompressible data?

What is queue depth?

Solid State Drives

What is the SSD value for money rating?

What is 4K 64 thread write speed?

Can CPU power saving states (C1,C2,C3) impact SSD speed?

What is the effective SSD speed index?

How is the AS SSD write score calculated?

How is the AS SSD read score calculated?

How is the AS SSD total score calculated?

ALL FAQs »

CPU	GPU	SSD
Intel Core i5-13600K $269	Nvidia RTX 4060 $295	Crucial MX500 250GB $40
Intel Core i5-12400F $133	Nvidia RTX 4060-Ti $385	Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178	Nvidia RTX 4070 $539	Samsung 860 Evo 250GB $52

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $39	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45	SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43	SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $48	G.SKILL Trident Z DDR4 3200 C14 4x16GB $351	SanDisk Ultra Fit 32GB $16

Samsung

PM951 NVMe PCIe M.2 256GB

Average Bench: 120% (190th of 1072)

Popular builds with this SSD

Outstanding average bench

Strengths

Poor consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

System: Alienware 17 R3

Popular PM951 NVMe PCIe M.2 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

Share a related link

Comments

Liked (edit your comment) Add link

Excellent

Speed Comparisons

Frequently Asked Questions

Best User Rated

Feedback

Average Bench: 120% (190^th of 1072)